Super Bowl WR Conundrum! Shepard/Agholor/Wallace Flex?

Half Point PPR. 3WR and a flex.

Who do you play and who do you bench?
Choices are:
Larry Fitzgerald (vs. Giants)
Michael Crabtree (@ Eagles)
Stefon Diggs (@ Packers)
Sterling Shepard (@ Arizona)
Nelson Agholor (vs. Raiders)
Mike Wallace (vs. Colts)

My current choices:
WR:
Fitz
Crabtree
Diggs

Flex:
Wallace

What would your choices be?